MM-37186: Update dependencies (#18604)

* MM-37186: Update dependencies

The split client libraries were excluded from being upgraded.

See: https://github.com/splitio/go-split-commons/issues/56

https://mattermost.atlassian.net/browse/MM-37186

```release-note
NONE
```

* Ignore staticcheck deprecation warnings

```release-note
NONE
```

vendor/github.com/RoaringBitmap/roaring/go.mod

@@ -4,17 +4,6 @@ go 1.14
 
 require (
 	github.com/bits-and-blooms/bitset v1.2.0
-	github.com/dvyukov/go-fuzz v0.0.0-20210429054444-fca39067bc72 // indirect
-	github.com/elazarl/go-bindata-assetfs v1.0.1 // indirect
-	github.com/glycerine/go-unsnap-stream v0.0.0-20181221182339-f9677308dec2
-	github.com/glycerine/goconvey v0.0.0-20190410193231-58a59202ab31 // indirect
-	github.com/golang/snappy v0.0.1 // indirect
-	github.com/gopherjs/gopherjs v0.0.0-20190910122728-9d188e94fb99 // indirect
-	github.com/jtolds/gls v4.20.0+incompatible // indirect
 	github.com/mschoch/smat v0.2.0
-	github.com/philhofer/fwd v1.0.0 // indirect
-	github.com/stephens2424/writerset v1.0.2 // indirect
 	github.com/stretchr/testify v1.4.0
-	golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect
-	golang.org/x/tools v0.0.0-20200928182047-19e03678916f // indirect
 )